Finding the Third Proportional to 1,637,553 and 3,553,422

Step by Step Solution

1. Step 1: Write the proportion equation
   1,637,553 : 3,553,422 = 3,553,422 : x
2. Step 2: Convert to fraction form
   1,637,553/3,553,422 = 3,553,422/x
3. Step 3: Cross multiply
   1,637,553x = 3,553,422 × 3,553,422
4. Step 4: Simplify right side
   1,637,553x = 12,626,807,910,084
5. Step 5: Solve for x
   x = 12,626,807,910,084/1,637,553
6. Step 6: Final answer
   x = 7,710,778.16